It was the start of something new.

High School Musical is officially 10 years old. 10. TEN. We know, we feel old, too. In honor of the movie's auspicious anniversary, most of the original cast members — save one very apologetic Zac Efron — reunited to talk about the roles of a lifetime. (Quite literally, because this was the project that turned a bunch of kid actors into bona fide stars.)

Vanessa Hudgens, Ashley Tisdale, Corbin Bleu, Monique Coleman, and Lucas Grabeel reunited on the Disney Channel last night to talk about everything that happened behind the scenes before the film premiered all the way in 2006. They even busted out the old audition tapes, and it's clear to see why they each nabbed the roles.

But while Ashley admits she gave Lucas notes after they performed — how very Sharpay of her — and Monique says she was afraid she wasn't going to be cast because she and Corbin were rocking similar hair at the time, it's Vanessa and Zac's audition that truly steals the show. Look how young they look! Look how sweet they are together! It's downright adorable, and you can basically see the blossoming of their IRL romance. (RIP to all that.)

They also talked about what it was like to learn all of those dance moves in two weeks, and Vanessa had some great advice from the director, Kenny Ortega. "What stuck with me most was that, in Tokyo, there's so many people and they're always going and always going. Somehow they find a way to move around each other. No one bumps into each other. It's just this constant flow. I feel like that's what we achieved."

And while the technology — and all of that bedazzled fashion — may have changed, the group are still as close as ever. 10 years later, and we can still say that this really was the start of something new.